Pith Number

pith:25B64ED2

pith:2018:25B64ED2CWEM7DUES4G3ADXQA4

not attested not anchored not stored refs pending

Improved convergence of fast integral equation solvers for acoustic scattering by inhomogeneous penetrable media with discontinuous material interface

Akash Anand, Ambuj Pandey

arxiv:1806.00563 v1 · 2018-06-02 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25B64ED2CWEM7DUES4G3ADXQA4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:00:55.384816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d743ee107a1588cf8e84970db00ef00739730bf442356b893a04cf7f63d1f292

Aliases

arxiv: 1806.00563 · arxiv_version: 1806.00563v1 · doi: 10.48550/arxiv.1806.00563 · pith_short_12: 25B64ED2CWEM · pith_short_16: 25B64ED2CWEM7DUE · pith_short_8: 25B64ED2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/25B64ED2CWEM7DUES4G3ADXQA4 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d743ee107a1588cf8e84970db00ef00739730bf442356b893a04cf7f63d1f292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b7a692ad093e98de772fa94b013f1ff5c236e6ae3de7eff46c8e8b65794a1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-02T01:08:57Z",
    "title_canon_sha256": "4ff9873581c1c0f45a1b567f04ded9a7af2e66dd9204b82ac141f2b8d0a978d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00563",
    "kind": "arxiv",
    "version": 1
  }
}